package com.xmwzw.catpu.util;

import android.content.Context;
import android.os.Environment;
import android.text.TextUtils;


import java.io.File;

/**
 * 本应用数据清除管理器
 */
public class CleanCacheUtils {
    /**
     * 清除本应用内部缓存(/data/data/com.xxx.xxx/cache) * * @param context
     */
    public static long cleanInternalCache(boolean delete, Context context) {
        return deleteFilesByDirectory(delete, context.getCacheDir());
    }

    /**
     * 清除本应用所有数据库(/data/data/com.xxx.xxx/databases) * * @param context
     */
    public static void cleanDatabases(boolean delete, Context context, String dbName) {
        if (TextUtils.isEmpty(dbName)) {
            return;
        }
        deleteFilesByDirectory(delete, new File("/data/data/"
                + context.getPackageName() + "/" + dbName));
    }


    /**
     * * 清除本应用SharedPreference(/data/data/com.xxx.xxx/shared_prefs) * * @param
     * context
     */
    public static long cleanSharedPreference(boolean delete, Context context) {

        return deleteFilesByDirectory(delete, new File("/data/data/"
                + context.getPackageName() + "/shared_prefs"));
    }

    /**
     * 按名字清除本应用数据库 * * @param context * @param dbName
     */
    public static void cleanDatabaseByName(Context context, String dbName) {
        context.deleteDatabase(dbName);
    }

    /**
     * 清除/data/data/com.xxx.xxx/files下的内容 * * @param context
     */
    public static long cleanFiles(boolean delete, Context context) {
        return deleteFilesByDirectory(delete, context.getFilesDir());
    }

    /**
     * * 清除外部cache下的内容(/mnt/sdcard/android/data/com.xxx.xxx/cache) * * @param
     * context
     */
    public static long cleanExternalCache(boolean delete, Context context) {
        long size = 0;
        if (Environment.getExternalStorageState().equals(
                Environment.MEDIA_MOUNTED)) {
            size = deleteFilesByDirectory(delete, context.getExternalCacheDir());
        }

        return size;
    }

    /**
     * 清除自定义路径下的文件，使用需小心，请不要误删。而且只支持目录下的文件删除 * * @param filePath
     */
    public static void cleanCustomCache(boolean delete, String filePath) {
        deleteFilesByDirectory(delete, new File(filePath));
    }

    /*清除glide的缓存*/
    public static long cleanGlideCache(Context context) {
        return GlideCacheUtil.getInstance().clearImageAllCache(context);
    }

    /**
     * 清除本应用所有的数据 * * @param context * @param filepath
     */
    public static long cleanApplicationData(boolean delete, Context context) {
        long sizeInternalCache = cleanInternalCache(delete, context);
        long sizeExternalCache = cleanExternalCache(delete, context);
        // long sizeSharedPreference = cleanSharedPreference(context);
        long sizeFiles = cleanFiles(delete, context);
        // long sizeGlideCache = cleanGlideCache(context);


        return sizeExternalCache + sizeInternalCache
                + sizeFiles;

    }

    /**
     * 删除方法 这里只会删除某个文件夹下的文件，如果传入的directory是个文件，将不做处理 * * @param directory
     */
    private static long deleteFilesByDirectory(boolean delete, File directory) {
        long size = 0;
        if (directory != null && directory.exists() && directory.isDirectory()) {
            for (File item : directory.listFiles()) {
                if (item.isDirectory()) {
                    size += deleteFilesByDirectory(delete, item);
                } else {

                    size += item.length();
                }
                if (delete) {

                    item.delete();
                }

            }
            if (delete) {

                directory.delete();
            }
        }

        return size;

    }


}